Solutions :

Boggle B V L X D N C D W I F L K B R I

3-letter words (1 point): 22

BID; BIN; CID; DIB; DIF; DIN; FIB; FID; FIL; FIN; FIR; KID; KIF; KIN; KIR; NIB; NID; RIB; RID; RIF; RIN; WIN.

4-letter words (1 point): 15

BIND; BIRL; BRIK; BRIN; CIRL; DIRL; FIND; FLIR; FRIB; IRID; KIND; LIRI; NIRL; RIND; WIND.

6-letter word (3 points): 1

FIBRIL.